video: grvga: Remove redundant dev_set_drvdata

Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Cc: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/grvga.c

@@ -496,7 +496,6 @@ static int grvga_probe(struct platform_device *dev)
 	return 0;
 
 free_mem:
-	dev_set_drvdata(&dev->dev, NULL);
 	if (grvga_fix_addr)
 		iounmap((void *)virtual_start);
 	else
@@ -530,7 +529,6 @@ static int grvga_remove(struct platform_device *device)
 			kfree((void *)info->screen_base);
 
 		framebuffer_release(info);
-		dev_set_drvdata(&device->dev, NULL);
 	}
 
 	return 0;